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OpenSSL >= 1.1.0 compatibility 

OpenSSL did some otclient-breaking changes around 1.1.0, 
this patch should work on both < and >= 1.1.0
This commit is contained in:
divinity76 2018-12-06 00:51:16 +01:00 committed by GitHub
parent 07b4b785fc
commit 79e31cb041
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 75 additions and 15 deletions
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90
src/framework/util/crypt.cpp
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@ -326,22 +326,62 @@ void Crypt::rsaGenerateKey(int bits, int e)
void Crypt::rsaSetPublicKey(const std::string& n, const std::string& e)
{
BN_dec2bn(&m_rsa->n, n.c_str());
BN_dec2bn(&m_rsa->e, e.c_str());
// clear rsa cache
if(m_rsa->_method_mod_n) { BN_MONT_CTX_free(m_rsa->_method_mod_n); m_rsa->_method_mod_n = NULL; }
#if OPENSSL_VERSION_NUMBER < 0x10100005L
BN_dec2bn(&m_rsa->n, n.c_str());
BN_dec2bn(&m_rsa->e, e.c_str());
// clear rsa cache
if (m_rsa->_method_mod_n)
{
BN_MONT_CTX_free(m_rsa->_method_mod_n);
m_rsa->_method_mod_n = NULL;
}
#else
{
BIGNUM *bn=NULL;
BIGNUM *be=NULL;
BN_dec2bn(&bn, n.c_str());
BN_dec2bn(&be, e.c_str());
RSA_set0_key(m_rsa,bn,be,NULL);
// note, not supposed to free bn/be here, that's m_rsa's destructor's job
}
#endif
}
void Crypt::rsaSetPrivateKey(const std::string& p, const std::string& q, const std::string& d)
{
BN_dec2bn(&m_rsa->p, p.c_str());
BN_dec2bn(&m_rsa->q, q.c_str());
BN_dec2bn(&m_rsa->d, d.c_str());
#if OPENSSL_VERSION_NUMBER < 0x10100005L
BN_dec2bn(&m_rsa->p, p.c_str());
BN_dec2bn(&m_rsa->q, q.c_str());
BN_dec2bn(&m_rsa->d, d.c_str());
// clear rsa cache
if (m_rsa->_method_mod_p)
{
BN_MONT_CTX_free(m_rsa->_method_mod_p);
m_rsa->_method_mod_p = NULL;
}
if (m_rsa->_method_mod_q)
{
BN_MONT_CTX_free(m_rsa->_method_mod_q);
m_rsa->_method_mod_q = NULL;
}
#else
{
// clear rsa cache
if(m_rsa->_method_mod_p) { BN_MONT_CTX_free(m_rsa->_method_mod_p); m_rsa->_method_mod_p = NULL; }
if(m_rsa->_method_mod_q) { BN_MONT_CTX_free(m_rsa->_method_mod_q); m_rsa->_method_mod_q = NULL; }
if(d.length()> 0)
{
BIGNUM *bd=NULL;
BN_dec2bn(&bd, d.c_str());
RSA_set0_key(m_rsa,NULL,NULL,bd);
}
BIGNUM *bp=NULL;
BIGNUM *bq=NULL;
BN_dec2bn(&bp, p.c_str());
BN_dec2bn(&bq, q.c_str());
RSA_set0_factors(m_rsa,bp,bq);
// note, not supposed to free bp/bq/bd here, that's m_rsa's destructor's job
}
#endif
}
bool Crypt::rsaCheckKey()
@ -352,10 +392,30 @@ bool Crypt::rsaCheckKey()
BN_CTX_start(ctx);
BIGNUM *r1 = BN_CTX_get(ctx), *r2 = BN_CTX_get(ctx);
BN_mod(m_rsa->dmp1, m_rsa->d, r1, ctx);
BN_mod(m_rsa->dmq1, m_rsa->d, r2, ctx);
BN_mod_inverse(m_rsa->iqmp, m_rsa->q, m_rsa->p, ctx);
#if OPENSSL_VERSION_NUMBER < 0x10100005L
BN_mod(m_rsa->dmp1, m_rsa->d, r1, ctx);
BN_mod(m_rsa->dmq1, m_rsa->d, r2, ctx);
BN_mod_inverse(m_rsa->iqmp, m_rsa->q, m_rsa->p, ctx);
#else
{
const BIGNUM *dmp1_c=NULL;
const BIGNUM *d=NULL;
const BIGNUM *dmq1_c=NULL;
const BIGNUM *iqmp_c=NULL;
const BIGNUM *q=NULL;
const BIGNUM *p=NULL;
RSA_get0_key(m_rsa,NULL, NULL, &d);
RSA_get0_factors(m_rsa, &p, &q);
RSA_get0_crt_params(m_rsa,&dmp1_c,&dmq1_c,&iqmp_c);
BIGNUM *dmp1=BN_dup(dmp1_c);
BIGNUM *dmq1=BN_dup(dmq1_c);
BIGNUM *iqmp=BN_dup(iqmp_c);
BN_mod(dmp1, d, r1, ctx);
BN_mod(dmq1, d, r2, ctx);
BN_mod_inverse(iqmp, q, p, ctx);
RSA_set0_crt_params(m_rsa, dmp1, dmq1, iqmp);
}
#endif
return true;
}
else {